<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" >
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<h1>首页</h1>
<p th:text="${msg}"></p>

<a th:href="@{/user/add}">add</a> |<a th:href="@{/user/update}">update</a>
|<a th:href="@{/user/update}">u1</a>
</body>
</html>